Home / 3,508.34-5,262.53-911.28

Finding the Fourth Proportional to 3,508.34, 5,262.53 and 911.28

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Solution

The fourth proportional to 3,508.34, 5,262.53 and 911.28 is: 1,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.34 : 5,262.53 = 911.28 : x
  2. Step 2: Convert to fraction form
    3,508.34/5,262.53 = 911.28/x
  3. Step 3: Cross multiply
    3,508.34x = 5,262.53 × 911.28
  4. Step 4: Simplify right side
    3,508.34x = 4,795,638.34
  5. Step 5: Solve for x
    x = 4,795,638.34/3,508.34
  6. Step 6: Final answer
    x = 1,366.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.